20686938 (number)

20686938 is an even 8-digits composite number following 20686937 and preceding 20686939. In scientific notation, it is written as 2.0686938 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6887936 positive integers (up to 20686938) that are relatively prime to 20686938.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand nine hundred thirty-eight

Notation

Scientific notation 2.0686938 × 10^7
Engineering notation 2.0686938 × 10^6

Prime Factorization of 20686938

Prime Factorization 2 × 3 × 2447 × 1409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20686938
Product of the distinct prime numbers

The prime factorization of 20686938 is 2 × 3 × 2447 × 1409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 15, 30, 234, 357, 4322, 4577, 85440, 71689, 3405, 994451, 4991371, 2210030, 43324582, 50098132, 554552818, 534417168, 5072052194, 5257278979

Basic calculations (n = 20686938)

Multiplication

n×y
n×2 41373876
n×3 62060814
n×4 82747752
n×5 103434690

Division

n÷y
n÷2 10343469
n÷3 6895646
n÷3 5171734.5
n÷5 4137387.6

Exponentiation

ny
n2 427949403815844
n3 8.8529627838753E+21
n4 1.8314069222634E+29
n5 3.7886201453633E+36

Nth Root

y√n
2√n 4548.2895686181
3√n 274.51457283425
4√n 67.441008063478
5√n 29.049538852804

Divisors of 20686938

1, 2, 3, 6, 1409, 2447, 2818, 4227, 4894, 7341, 8454, 14682, 3447823, 6895646, 10343469, 20686938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20686937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686938 can be divided by 16 positive divisors. The sum of these divisors (counting 20686938) is 1, the average is 0.0625.

Base conversion 20686938

Base System Value
2 Binary 1001110111010100001011010
3 Ternary 1102221000010220
4 Quaternary 1032322201122
5 Quinary 20243440223
6 Senary 2015220510
8 Octal 116724132
10 Decimal 20686938
12 Duodecimal 6b17736
16 Hexadecimal 13ba85a
20 Vigesimal 695h6i
36 Base36 cbe56

Cryptographic Hash Functions

md5 a5085817a31071b41502469bc7107ea0
sha1 dade714d327f2319b8d77208e63e86a6e1b4f192
sha256 5c73c235ad9ba1b9057aad700bbef62c3f77ded3ee3024b8d6d8bab6b5cf18d8
sha512 6b5eaa6011299c8d1e9087696c1f41fb3505f5d20c08d860aa6da36f8c582015b9d87433bb26d514d9adbbf292537195e21ff6ab0c19de29aea4e4abc3e83bbe
ripemd-160 fd7d1dc407af4048b8a16d899b67f8c213034989

20686938 as geometric shapes

Circle

Radius = n
Diameter 41373876
Circumference 129979864.89214
Area 1.344442703136E+15

Sphere

Radius = n
Volume 3.7083203792435E+22
Surface area 5.3777708125439E+15
Circumference 129979864.89214

Square

Length = n
Perimeter 82747752
Area 427949403815844
Diagonal 29255748.283571

Cube

Length = n
Surface area 2567696422895064
Volume 8.8529627838753E+21
Space diagonal 35830827.669027

Equilateral Triangle

Length = n
Perimeter 62060814
Area 1.8530752761946E+14
Altitude 17915413.834514

Triangular Pyramid

Length = n
Surface area 1.8530752761946E+14
Volume 1.0433316696784E+21
Height 9751916.0945238